B311+TFRX120-S | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 100-240V | On/Off | SW | Belimo Element Type_1000 ohm (Nickel) 05" in diameter 1177727 Part Number_130594 this boiler relief valve
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Ships within 48 hours · Estimated delivery Sep 21 - Sep 26